70163136403772 has 24 divisors (see below), whose sum is σ = 123094840709232. Its totient is φ = 34993186400000.

The previous prime is 70163136403729. The next prime is 70163136403817. The reversal of 70163136403772 is 27730463136107.

It is a super-2 number, since 2×70163136403772² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70163136403772.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64410647 + ... + 65490897.

It is an arithmetic number, because the mean of its divisors is an integer number (5128951696218).

Almost surely, 2^{70163136403772} is an apocalyptic number.

It is an amenable number.

70163136403772 is a deficient number, since it is larger than the sum of its proper divisors (52931704305460).

70163136403772 is a wasteful number, since it uses less digits than its factorization.

70163136403772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121149 (or 1121147 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 50.

Adding to 70163136403772 its reverse (27730463136107), we get a palindrome (97893599539879).

The spelling of 70163136403772 in words is "seventy trillion, one hundred sixty-three billion, one hundred thirty-six million, four hundred three thousand, seven hundred seventy-two".